i'm here with jack hanna, where anything can happen. jack hanna is director of the columbus zoo and aquarium and also the host of the emmy award winning jack hanna's into the wild and a new show called wild countdown. his tigers are literally eating my studio. we better get on with this. welcome. am i going to die here? >> shouldn't die but if you were going to die, these are the animals that would do it. >> these are baby tigers? how old are they? >> siberian tigers, 13 weeks. >> at what age can they kill a man? >> about another 22 months. >> right. >> because at about 22 months, these animals weigh over 600 pounds. >> really? >> this is one of the rarest cats in the world, piers. there are less than some people say 400. there could be less than 200 left in that part of the world. they were hunted for their coats but the problem today, you can imagine this animal at 600 pounds. >> they look strong already. >> they are very strong. they can literally put a hole through your arm right now. >> right. looks like he wants to. can they bite